6 letter words:
arriba8,
arroba8,
barrio8,
5 letter words:
rabbi9,
arbor7,
briar7,
4 letter words:
abba8,
baba8,
barb8,
abri6,
biro6,
birr6,
boar6,
bora6,
brio6,
obia6,
aria4,
orra4,
raia4,
roar4,
3 letter words:
bib7,
bob7,
aba5,
abo5,
arb5,
baa5,
bar5,
bio5,
boa5,
bra5,
bro5,
brr5,
oba5,
obi5,
orb5,
rib5,
rob5,
air3,
oar3,
ora3,
rai3,
ria3,
2 letter words:
ab4,
ba4,
bi4,
bo4,
aa2,
ai2,
ar2,
oi2,
or2,